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20/11/2022 7:31 am
Topic starter
Chevy Cobalt 190,000 miles. Original injectors. Short term fuel trim adding and subtracting at idle.
3 Answers
5
20/11/2022 4:34 pm
What is the service life of a fuel injector?
I've never replaced one.
Short term fuel trim adding and subtracting at idle.
that's what it's supposed to do
4
20/11/2022 2:56 pm
They don't have a specific service life. They're just an electromagnet (solenoid) which controls a plunger to open and close the injector nozzle.
These things can last 500,000 miles or fail/clog/leak in 50,000 miles.

Thanks for the info…I’ll just do an O ring kit and keep the in service.
3
20/11/2022 3:46 pm
I have not had to replace fuel injectors yet on any vehicle I've owned. Oldest currently is a 1986 model with 300,000 miles.
Thank you. I will do an O ring kit and keep them in service
